高中英语 情态动词与虚拟语气 MODEL TESTS 2课件 苏教版

GRAMMAR 非真实条件句中 虚拟语气 if省略几种特殊的虚拟语气从句中的虚拟语气时态时态从从 句句主主 句句表示现在表示现在过去时过去时(be-were)should+动词原形动词原形would +动词原形动词原形could +动词原形动词原形might +动词原形动词原形1.和现在的事实相反和现在的事实相反时态时态从从 句句主主 句句表示过去表示过去 had +过去分词过去分词should+have+过去分词过去分词would +have+过去分词过去分词could +have+过去分词过去分词might +have+过去分词过去分词时态时态从从 句句主主 句句表示将来表示将来 should+动词原形动词原形would +动词原形动词原形could +动词原形动词原形might +动词原形动词原形1)were to+动词原形动词原形2)should+动词原形动词原形3)动词过去式动词过去式 虚拟倒装句虚拟倒装句 1.Were it (=If it were) not for their help,we couldnt have got over the difficulties.2.Had I (=If I had) known about it,I would have told you.3.Should anyone (=If anyone should )call,please take a message.What would have happened, _ as far as the river bank? (01 上海)A. Bob had walked fartherB. if Bob should walk fartherC. had Bob walked fartherD. if Bob walked fartherC1) 介词短语表条件介词短语表条件 常用的介词有with, without, but for But for your help, we couldnt have succeeded. Nothing could live without the sun.2) 情境中提供虚拟语气情境中提供虚拟语气 有时为了表达的需要，在虚拟语气中并不总是出现if引导的条件句，而通过其他手段来代替条件句。 Suppose there were no gravity, objects would not fall to the ground when dropped. She wasnt feeling very well. Otherwise she wouldnt have left the meeting so early.I might have given you more help, but I was too busy. 3) Its (high/low) time 从句：从句： It is (high) time that 后面的从句谓语动词要用过去式或用should加动词原形，但should不可省略。 It is time that the children went to bed.类似的结构为 would rather 从句： I would rather you attended the meeting this afternoon.4) 比较比较if only与与only if only if 表示“只有”； I wake up only if the alarm clock rings. if only 则表示“如果就好了”。其从句中的谓语动词用过去时或过去完成时。If only I knew more.If only the alarm clock had rung.If only 也可用于陈述语气。If only he comes early.If only grandmother _ this together with us now.A. will see B.could see C.must see D.should seeB考题点击：考题点击：1.wish1.wish后面宾语从句中的虚拟语气，表示后面宾语从句中的虚拟语气，表示与事实相反的愿望。与事实相反的愿望。1 1) )与与现在事实相反事实相反 : : wish + (that)+did(were) 2 2) )与与过去事实相反事实相反 : : wish + (that)+had done3 3) )与与将来事实相反事实相反 : : wish + would/could/might+do2. 某些动词后的宾语从句中需用某些动词后的宾语从句中需用should+动词原形动词原形的虚拟语气的虚拟语气形式。形式。“should”可以省略。可以省略。常见的动词有常见的动词有:一个坚持一个坚持insist; 两个命令两个命令order, command ; 三三条建议条建议suggest , advise, propose;四项要求四项要求demand, request, require, ask; 另外有另外有:prefer注意注意: suggest表表 暗示表明 时时 insist表表坚持认为时不用虚拟语时不用虚拟语气气as if,as though引导的状语从句中，表示和现在事实相反或对现在的怀疑，用过去时；表示过去想象中的动作或情况，用过去完成时; ;表示表示将来用将来用would + would + 动词原形动词原形。It seems as if the man were his brother.This device operated as though it had been repaired.(7) 个别表示程度，频率的副词前置Always, Often, Well, Bitterly, Gladly, Brightly, Once, Every other day, Now and then e.g. Often would she (she would) weep when alone. Brightly shone the moon that night. (B)15. Many a time _ swimming alone.A. the boy went B. went the boy C. did the boy goD. did go the boy 3. to 作介词的常见短语作介词的常见短语 be / get / become used to 习惯于 adapt to 适应 be given to 喜欢；癖好 be related to 与有关系 be addicted to 沉溺于；对上瘾 be opposed to 反对 devote oneself to 献身于；专心于be devoted to 致力于；忠诚于 be admitted to 被录取；准进入 be reduced to 沦为object to反对；不喜欢；不赞成 look forward to 盼望stick to 坚持pay attention to 注意prefer to更喜欢refer to 谈到；参考；查阅turn a blind eye to对视而不见turn a deaf ear to 对充耳不闻 be senior to 年龄长于 be junior to 年轻于 be superior to 优越于 be inferior to 不如 be equal to 和相等 be subject to 服从；隶属；易遭受患 due to 由于；归因于 thanks to 多亏了；由于 owing to 由于；因的缘故 in / with regard to 关于 in /with relation to 关于；就而论